[Bug 1633907] Re: wireless-indicator disappeared during upgrade

[Ubuntu Foundations Team Bug Bot]

** Tags added: xenial2yakkety

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https://bugs.launchpad.net/bugs/1633907

Title:
  wireless-indicator disappeared during upgrade

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  Upon upgrading from 16.04 (xenial) to 16.10 (yakkety), at some point
  (it was difficult to tell at what point, since due to another bug with
  the system fonts(?) the system fonts were unreadable blocks.  That
  issue went away), after the packages were mostly installed, the
  wireless network indicator in gnome disappeared, and my connection to
  the internet was lost.  Attempting to get a connection via wicd-curses
  resulted in -

  ERROR:connection_factory_impl.cc(369)  Failed to connect to MCS
  endpoint with error -137 errors when an attempt was made to get an IP
  address.

  Network connection: wlan0

             *-network
                  description: Wireless interface
                  product: QCA9565 / AR9565 Wireless Network Adapter
                  vendor: Qualcomm Atheros
                  physical id: 0
                  bus info: pci at 0000:0e:00.0
                  logical name: wlan1
                  version: 01
                  serial: 28:e3:47:f1:aa:55
                  width: 64 bits
                  clock: 33MHz
                  capabilities: pm msi pciexpress bus_master cap_list rom ethernet physical wireless
                  configuration: broadcast=yes driver=ath9k driverversion=4.8.0-22-generic firmware=N/A ip=192.168.250.9 latency=0 link=yes multicast=yes wireless=IEEE 802.11
                  resources: irq:17 memory:d3500000-d357ffff memory:d3580000-d358ffff

  Occasionally before the upgrade, this system would lose the ability to
  connect to wireless and it would fail at the 'getting an ip address'
  step of connecting in wicd-curses (and would time out if an attempt
  was made to connect via gnome's wireless settings), but in this case
  the wireless network indicator itself went away, as if there was no
  wireless installed at all.

  Rebooting system post-install -> worked just fine, wireless indicator
  was there upon login again as usual.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.10
  Package: ubuntu-release-upgrader-core 1:16.10.6
  ProcVersionSignature: Ubuntu 4.8.0-22.24-generic 4.8.0
  Uname: Linux 4.8.0-22-generic x86_64
  ApportVersion: 2.20.3-0ubuntu8
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: GNOME
  Date: Sun Oct 16 14:22:15 2016
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-07-09 (829 days ago)
  InstallationMedia: Ubuntu-GNOME 14.10 "Utopic Unicorn" - Alpha amd64 (20140708)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to yakkety on 2016-10-16 (0 days ago)
  VarLogDistupgradeTermlog:

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